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//// [tests/cases/compiler/contravariantOnlyInferenceFromAnnotatedFunction.ts] ////
=== contravariantOnlyInferenceFromAnnotatedFunction.ts ===
// repro from #52580
type Funcs<A, B extends Record<string, unknown>> = {
>Funcs : Symbol(Funcs, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 0, 0))
>A : Symbol(A, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 2, 11))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 2, 13))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
[K in keyof B]: {
>K : Symbol(K, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 3, 3))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 2, 13))
fn: (a: A, b: B) => void;
>fn : Symbol(fn, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 3, 19))
>a : Symbol(a, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 4, 9))
>A : Symbol(A, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 2, 11))
>b : Symbol(b, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 4, 14))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 2, 13))
thing: B[K];
>thing : Symbol(thing, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 4, 29))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 2, 13))
>K : Symbol(K, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 3, 3))
};
}
declare function foo<A, B extends Record<string, unknown>>(fns: Funcs<A, B>): [A, B]
>foo : Symbol(foo, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 7, 1))
>A : Symbol(A, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 21))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 23))
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>fns : Symbol(fns, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 59))
>Funcs : Symbol(Funcs, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 0, 0))
>A : Symbol(A, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 21))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 23))
>A : Symbol(A, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 21))
>B : Symbol(B, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 9, 23))
const result = foo({
>result : Symbol(result, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 11, 5))
>foo : Symbol(foo, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 7, 1))
bar: {
>bar : Symbol(bar, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 11, 20))
fn: (a: string) => {},
>fn : Symbol(fn, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 12, 8))
>a : Symbol(a, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 13, 9))
thing: 'asd',
>thing : Symbol(thing, Decl(contravariantOnlyInferenceFromAnnotatedFunction.ts, 13, 26))
},
});
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